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LGPR: Enabling Autonomous Vehicles to Drive in the Snow

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Autonomous cars are the future. The challenge is to make them as reliable as possible. The MIT Lincoln Laboratory has created an advanced radar system (LGPR) to enhance an autonomous vehicle’s ability to know its position on the road. This ground-penetrating system allowed researchers to achieve real-time, nighttime, centimeter-level vehicle localization on roads with lane markings hidden by the snow.

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The LGPR system consists of a 12-element antenna array that uses a VHF stepped-frequency continuous wave to penetrate deeper beneath the ground than regular GPR systems. What does this all mean? Vehicles equipped with this system can stay within their lane even when the weather is not cooperating. The above videos covers more on this radar system.


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